/* Tigase Jabber/XMPP Server
* Copyright (C) 2004-2008 "Artur Hefczyc" <artur.hefczyc@tigase.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. Look for COPYING file in the top folder.
* If not, see http://www.gnu.org/licenses/.
*
* $Rev: 1248 $
* Last modified by $Author: kobit $
* $Date: 2008-11-28 23:44:23 +0000 (Fri, 28 Nov 2008) $
*/
package tigase.xmpp.impl;
import java.util.List;
import java.util.Map;
import java.util.Arrays;
import java.util.ArrayList;
import java.util.logging.Logger;
import tigase.xml.Element;
import tigase.xmpp.NotAuthorizedException;
import tigase.xmpp.XMPPResourceConnection;
/**
* Describe class DynamicRoster here.
*
*
* Created: Tue Nov 6 11:28:10 2007
*
* @author <a href="mailto:artur.hefczyc@tigase.org">Artur Hefczyc</a>
* @version $Rev: 1248 $
*/
public abstract class DynamicRoster {
private static final String DYNAMIC_ROSTERS = "dynamic-rosters";
private static final String DYNAMIC_ROSTERS_CLASSES = "dynamic-roster-classes";
/**
* Private logger for class instancess.
*/
private static Logger log =
Logger.getLogger("tigase.xmpp.impl.DynamicRoster");
public static void init_settings(final Map<String, Object> settings) {
DynamicRosterIfc[] dynr = (DynamicRosterIfc[])settings.get(DYNAMIC_ROSTERS);
if (dynr == null) {
log.info("Initializing dynamic rosters...");
String dynclss = (String)settings.get(DYNAMIC_ROSTERS_CLASSES);
if (dynclss != null) {
String[] dyncls = dynclss.split(",");
ArrayList<DynamicRosterIfc> al = new ArrayList<DynamicRosterIfc>();
for (String cls: dyncls) {
try {
DynamicRosterIfc dri =
(DynamicRosterIfc)Class.forName(cls).newInstance();
if (settings.get(cls + ".init") != null) {
dri.init((String)settings.get(cls + ".init"));
} else {
dri.init(settings);
}
al.add(dri);
log.info("Initialized dynamic roster: " + cls);
} catch (Exception e) {
log.warning("Problem initializing dynmic roster class: "
+ cls + ", " + e);
}
}
if (al.size() > 0) {
settings.put(DYNAMIC_ROSTERS,
al.toArray(new DynamicRosterIfc[al.size()]));
}
}
}
}
public static DynamicRosterIfc[] getDynamicRosters(final Map<String, Object> settings) {
DynamicRosterIfc[] dynr = null;
if (settings != null) {
synchronized (settings) {
log.finest("Initializing settings.");
init_settings(settings);
}
dynr = (DynamicRosterIfc[])settings.get(DYNAMIC_ROSTERS);
} else {
log.finest("Settings parameter is NULL");
}
return dynr;
}
public static List<Element> getRosterItems(final XMPPResourceConnection session,
final Map<String, Object> settings) throws NotAuthorizedException {
DynamicRosterIfc[] dynr = getDynamicRosters(settings);
if (dynr != null) {
ArrayList<Element> result = new ArrayList<Element>();
for (DynamicRosterIfc dri: dynr) {
List<Element> items = dri.getRosterItems(session);
if (items != null) {
result.addAll(items);
}
}
if (result.size() > 0) {
return result;
}
}
return null;
}
public static Element getBuddyItem(final XMPPResourceConnection session,
final Map<String, Object> settings, String buddy)
throws NotAuthorizedException {
DynamicRosterIfc[] dynr = getDynamicRosters(settings);
if (dynr != null) {
for (DynamicRosterIfc dri: dynr) {
Element item = dri.getBuddyItem(session, buddy);
if (item != null) {
return item;
}
}
}
return null;
}
public static List<String> getBuddiesList(final XMPPResourceConnection session,
final Map<String, Object> settings) throws NotAuthorizedException {
DynamicRosterIfc[] dynr = getDynamicRosters(settings);
if (dynr != null) {
ArrayList<String> result = new ArrayList<String>();
for (DynamicRosterIfc dri: dynr) {
String[] buddies = dri.getBuddies(session);
if (buddies != null) {
result.addAll(Arrays.asList(buddies));
}
}
if (result.size() > 0) {
return result;
}
}
return null;
}
public static String[] getBuddies(final XMPPResourceConnection session,
final Map<String, Object> settings) throws NotAuthorizedException {
List<String> result = getBuddiesList(session, settings);
if (result != null && result.size() > 0) {
return result.toArray(new String[result.size()]);
}
return null;
}
public static String[] addBuddies(final XMPPResourceConnection session,
final Map<String, Object> settings, String[] buddies)
throws NotAuthorizedException {
List<String> result = getBuddiesList(session, settings);
if (buddies != null) {
if (result == null) {
result = new ArrayList<String>();
}
result.addAll(Arrays.asList(buddies));
}
if (result != null && result.size() > 0) {
return result.toArray(new String[result.size()]);
}
return null;
}
static Element getItemExtraData(XMPPResourceConnection session,
Map<String, Object> settings, Element item) {
DynamicRosterIfc[] dynr = getDynamicRosters(settings);
if (dynr != null) {
Element result = null;
for (DynamicRosterIfc dri : dynr) {
if ((result = dri.getItemExtraData(item)) != null) {
break;
}
}
return result;
} else {
return null;
}
}
static void setItemExtraData(XMPPResourceConnection session,
Map<String, Object> settings, Element item) {
DynamicRosterIfc[] dynr = getDynamicRosters(settings);
if (dynr != null) {
for (DynamicRosterIfc dri : dynr) {
dri.setItemExtraData(item);
}
}
}
}